The classical source expands or derives a specific point from the language of the passuk. The Core Text above is the relevant region of interest.
Type of Learning
Custom (A precise diyuk from the phrase “and sets it up in secret,” teaching that the prohibition of benefit takes effect only after the secret act of worship.)
What Is Learned
Unlike a gentile’s idol, which becomes forbidden immediately upon manufacture, an Israelite’s idol becomes forbidden only once it has been worshipped. The words “vesam basater” allude to the clandestine worship that triggers the prohibition.